<template>
    <el-upload class="avatar-uploader" :show-file-list="false" :auto-upload="false" :on-change="handleChange">
        <img v-if="computedAvatar" :src="computedAvatar" class="avatar" />
        <el-icon v-else class="avatar-uploader-icon">
            <Plus />
        </el-icon>
    </el-upload>
</template>
<script setup>
import { Plus } from '@element-plus/icons-vue'
import { computed, ref } from 'vue';
const props = defineProps(['avatar'])
const emits = defineEmits(['change'])

const avatar = ref('')
avatar.value = props.avatar

const computedAvatar = computed(() => avatar.value.includes('blob') ? avatar.value : `http://localhost:3000/${avatar.value}`)

const handleChange = e => {
    avatar.value = URL.createObjectURL(e.raw)
    emits('change', e.raw)
}
</script>

<style lang="scss" scoped>
:deep(.avatar-uploader .el-upload) {
    border: 1px dashed var(--el-border-color);
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--el-transition-duration-fast);
}

:deep(.avatar-uploader .el-upload:hover) {
    border-color: var(--el-color-primary);
}

:deep(.el-icon.avatar-uploader-icon) {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    text-align: center;
}

.avatar-uploader .avatar {
    width: 178px;
    height: 178px;
    display: block;
}
</style>